S&S Cycle

BILLET ROCKER COVERS FITMENT • 1986–‘03 Harley-Davidson® Sportster® models • 1994–’02 Buell® models FEATURES AND BENEFITS • OEM-style "umbrella" fittings are included with billet rocker boxes for 1993–’99 big twin engines with cylinder head venting • S&S billet rocker covers are available in three finishes: show-quality chrome, or unfinished. Unfinished is ideal for powder coating and other custom cosmetic treatments • Installation on stock and most comparable sized engines can be performed without removing the engine from the frame KIT CONTENTS • Covers

The performance-oriented design of the billet rocker boxes permits valve lifts up to .710" with stock or S&S Super Stock® heads, and up to .810" with S&S Special Application heads. S&S roller rocker arms are recommended for high lift cams. S&S billet rocker covers accept valve springs up to 1.660" O.D. without modification. Cylinder heads must be set up correctly for high-lift cams, and it remains the builder’s responsibility to confirm all clearances. Kits include front and rear cover assemblies with base and top cover, rocker shaft supports, gaskets and o-rings, and instructions

NOTES

REPLACEMENT PARTS: SEE PAGE 290

• Gaskets • O-rings • Mounting hardware

ANY JOB IS EASYWITH THE RIGHT TOOLS S&S ROCKER COVER WRENCH SET, PAGE 325

BILLET ROCKER COVER KITS Finish

Part #

Chrome

90-4050 ± USA 90-4055 USA

Unfinished

± WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov

REPLACEMENT GASKET KIT Description

Part #

Includes gaskets for two rocker covers

90-4049

90-4050

274 Order 608-627-1497 S&S Late Models 1999–up